DIY Drill Press Fan Attachment: Blast Chips Away!
A fan attachment for a frill press to blow the chips away. A vaned cylinder that could be attached over the chuck should do the job.
By Bill Corney, Dearborn, Mich.
September 1958
Key Takeaways
- Clearer View, Safer Operation: A fan attachment blasts away chips, giving you an unobstructed view of your work and reducing the risk of debris interfering with the drill bit.
- Time-Saving Efficiency: Significantly cut down on post-drilling cleanup, allowing you to move on to the next task faster.
- DIY Simplicity: This is an accessible project for most DIYers, requiring basic materials and tools.
- Customizable Solution: Easily adapt the design to fit your specific drill press and material needs.
- Cost-Effective Upgrade: A fraction of the cost of commercial dust collection systems, offering substantial benefits.
Why Bother With a Chip-Blower? It’s More Than Just Cleanliness!
Let’s be honest, who enjoys wading through a mountain of sawdust or tiny metal shavings? It’s not just unsightly; it’s a genuine hazard. Metal chips can be sharp, and wood dust can be an irritant. When these accumulate around your drill press chuck or workpiece, they can:
- Obscure your view of the drill bit and the exact drilling point, leading to mistakes.
- Jam the drill bit or interfere with its smooth operation, potentially damaging your workpiece or the bit itself.
- Get flung around the workshop by the spinning chuck, posing a safety risk to your eyes and lungs.
- Make it difficult to accurately mark and position subsequent holes.
A simple fan attachment acts like a targeted personal air force for your drill press. It redirects the airflow generated by the spinning chuck (or a small, added fan) to actively blow away debris as it’s created. Think of it as a proactive dust and chip management system – simple, effective, and right where you need it.
The Classic Design: A Vaned Cylinder That Works Wonders
The core idea, as proposed by Bill Corney, is elegantly simple: a cylindrical housing that fits over your drill press chuck. This cylinder has internal vanes (or blades) that catch and direct the airflow generated by the spinning chuck itself. As the chuck spins, it pulls air in and pushes it out through strategically placed outlets, effectively creating a stream of air to clear your work area.

Building Your Own Chip-Blower: Materials and Methods
While the original concept might have used simpler materials, you can adapt it using readily available items from your local hardware store or even recycled materials. Here’s a breakdown of how you might approach it:
- The Housing: A sturdy plastic or metal cylinder is your best bet. Consider PVC pipe fittings (like a larger diameter coupler or end cap), a sturdy metal can, or even a 3D-printed component if you have access to a printer. The key is that it needs to be rigid enough to withstand vibrations and securely attach to your drill press.
- The Vanes: These are crucial for directing airflow. You can fashion these from thin sheet metal (aluminum or steel), sturdy plastic, or even thick cardboard for a prototype. They need to be shaped to catch the air from the spinning chuck and channel it towards the outlet(s). Think of them like small fan blades, but simpler.
- Attachment Mechanism: How will it attach over the chuck? You might need to create a mounting bracket, use hose clamps, or design a friction-fit system. The goal is secure but easily removable.
- Air Outlet(s): Cut one or more holes in the side of the cylinder. The size and placement will determine the direction and force of the airflow. You might want to experiment with different configurations. For instance, a single, larger opening might provide a broad sweep, while multiple smaller openings could offer more focused streams.
Putting It Into Practice: Your Drill Press’s New Best Friend
Once constructed, the attachment slides over your drill press chuck. When you start the drill press, the existing airflow around the spindle and chuck is channeled by your vanes and housing. The beauty is its simplicity – no extra power source needed!

Myth vs. Fact: Debunking Drill Press Accessory Misconceptions
There are a lot of ideas floating around about workshop gadgets. Let’s clear up a few common myths regarding simple attachments like this fan system:
| Myth | Fact |
|---|---|
| You need a complex, powered dust collector for any kind of chip management. | Simple, passive solutions like a fan attachment can be surprisingly effective for basic chip clearing, especially for lighter materials. They offer immediate, localized benefits without added complexity. |
| DIY attachments are unreliable and won’t last. | With proper materials and construction, a DIY fan attachment can be durable and highly effective. Durability often depends on the user’s skill and material choices, just like any tool. |
| It’s just as easy to sweep up the chips later. | While sweeping is an option, it’s inefficient. The fan attachment clears chips *as they are made*, preventing them from scattering, embedding in surfaces, or becoming eye hazards. This saves time and improves safety during operation. |
Optimizing Your Fan Attachment: Pro Tips for Maximum Impact
Ready to take your DIY chip-blower to the next level? Here are some ways to fine-tune its performance:
- Experiment with Vane Angles: Small adjustments to the angle of your internal vanes can significantly change the direction and force of the airflow. A slight tweak might be all you need to perfectly target the chip buildup.
- Adjustable Outlets: Consider making the air outlet(s) adjustable. You could use a sliding mechanism or a rotating nozzle to direct the airflow precisely where it’s most needed. This is particularly useful when switching between different types of materials or drilling operations.
- Material Choice Matters: For wood dust, a lighter, more diffused airflow might be fine. For metal shavings, you might need a more robust housing and a stronger, more focused air stream. Consider using smoother interior surfaces to prevent chips from sticking.
- Consider a Small Fan: If the passive airflow from the chuck isn’t quite enough, especially on slower drill press speeds, you could integrate a small, low-profile electric fan into the housing. This turns your passive attachment into an active blower. Ensure it’s securely mounted and doesn’t interfere with the drill press chuck.
- Test and Refine: Don’t expect perfection on the first try. Mount it, run the drill press, and observe. Where are the chips going? Where are they still accumulating? Make small modifications based on your observations.
The Verdict: A Small Addition, A Big Difference
The humble fan attachment for your drill press is a testament to the power of simple, practical engineering. It addresses a common workshop nuisance with an elegant, DIY-friendly solution. By keeping your work area clear, you’re not just making cleanup easier; you’re enhancing safety and improving the overall efficiency of your drilling tasks. So, why not give this classic idea a try? You might be surprised at the significant difference such a small addition can make to your woodworking or metalworking experience.